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<div style="text-align: center;">Apache License<br>

Version 2.0, January 2004<br>

<a href="http://www.apache.org/licenses/">http://www.apache.org/licenses/</a></div>

<p>TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
</p>

<p><b><a name="definitions">1. Definitions</a></b>.</p>

<p>"License" shall mean the terms and conditions for use,
reproduction, and distribution as defined by Sections 1 through 9 of
this document.
</p>

<p>"Licensor" shall mean the copyright owner or entity
authorized by the copyright owner that is granting the License.
</p>

<p>"Legal Entity" shall mean the union of the acting entity and
all other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
</p>

<p>"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
</p>

<p>"Source" form shall mean the preferred form for making
modifications, including but not limited to software source code,
documentation source, and configuration files.
</p>

<p>"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but not
limited to compiled object code, generated documentation, and
conversions to other media types.
</p>

<p>"Work" shall mean the work of authorship, whether in Source
or Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work (an
example is provided in the Appendix below).
</p>

<p>"Derivative Works" shall mean any work, whether in Source or
Object form, that is based on (or derived from) the Work and for which
the editorial revisions, annotations, elaborations, or other
modifications represent, as a whole, an original work of authorship.
For the purposes of this License, Derivative Works shall not include
works that remain separable from, or merely link (or bind by name) to
the interfaces of, the Work and Derivative Works thereof.
</p>

<p>"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions to
that Work or Derivative Works thereof, that is intentionally submitted
to Licensor for inclusion in the Work by the copyright owner or by an
individual or Legal Entity authorized to submit on behalf of the
copyright owner. For the purposes of this definition, "submitted" means
any form of electronic, verbal, or written communication sent to the
Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
</p>

<p>"Contributor" shall mean Licensor and any individual or Legal
Entity on behalf of whom a Contribution has been received by Licensor
and subsequently incorporated within the Work.
</p>

<p><b><a name="copyright">2. Grant of Copyright License</a></b>.
Subject to the terms and conditions of this License, each Contributor
hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
royalty-free, irrevocable copyright license to reproduce, prepare
Derivative Works of, publicly display, publicly perform, sublicense,
and distribute the Work and such Derivative Works in Source or Object
form.
</p>

<p><b><a name="patent">3. Grant of Patent License</a></b>.
Subject to the terms and conditions of this License, each Contributor
hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
royalty-free, irrevocable (except as stated in this section) patent
license to make, have made, use, offer to sell, sell, import, and
otherwise transfer the Work, where such license applies only to those
patent claims licensable by such Contributor that are necessarily
infringed by their Contribution(s) alone or by combination of their
Contribution(s) with the Work to which such Contribution(s) was
submitted. If You institute patent litigation against any entity
(including a cross-claim or counterclaim in a lawsuit) alleging that
the Work or a Contribution incorporated within the Work constitutes
direct or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate as of
the date such litigation is filed.
</p>

<p><b><a name="redistribution">4. Redistribution</a></b>.
You may reproduce and distribute copies of the Work or Derivative Works
thereof in any medium, with or without modifications, and in Source or
Object form, provided that You meet the following conditions:
</p>

<ol type="a">

  <li>You must give any other recipients of the Work or
Derivative Works a copy of this License; and <br>

    <br>

  </li>

  <li>You must cause any modified files to carry prominent
notices stating that You changed the files; and <br>

    <br>

  </li>

  <li>You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and attribution
notices from the Source form of the Work, excluding those notices that
do not pertain to any part of the Derivative Works; and <br>

    <br>

  </li>

  <li>If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained within
such NOTICE file, excluding those notices that do not pertain to any
part of the Derivative Works, in at least one of the following places:
within a NOTICE text file distributed as part of the Derivative Works;
within the Source form or documentation, if provided along with the
Derivative Works; or, within a display generated by the Derivative
Works, if and wherever such third-party notices normally appear. The
contents of the NOTICE file are for informational purposes only and do
not modify the License. You may add Your own attribution notices within
Derivative Works that You distribute, alongside or as an addendum to
the NOTICE text from the Work, provided that such additional
attribution notices cannot be construed as modifying the License.</li>

</ol>

You may add Your own copyright statement to Your modifications and may
provide additional or different license terms and conditions for use,
reproduction, or distribution of Your modifications, or for any such
Derivative Works as a whole, provided Your use, reproduction, and
distribution of the Work otherwise complies with the conditions stated
in this License.
<p><b><a name="contributions">5. Submission of Contributions</a></b>.
Unless You explicitly state otherwise, any Contribution intentionally
submitted for inclusion in the Work by You to the Licensor shall be
under the terms and conditions of this License, without any additional
terms or conditions. Notwithstanding the above, nothing herein shall
supersede or modify the terms of any separate license agreement you may
have executed with Licensor regarding such Contributions.
</p>

<p><b><a name="trademarks">6. Trademarks</a></b>.
This License does not grant permission to use the trade names,
trademarks, service marks, or product names of the Licensor, except as
required for reasonable and customary use in describing the origin of
the Work and reproducing the content of the NOTICE file.
</p>

<p><b><a name="no-warranty">7. Disclaimer of Warranty</a></b>.
Unless required by applicable law or agreed to in writing, Licensor
provides the Work (and each Contributor provides its Contributions) on
an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
express or implied, including, without limitation, any warranties or
conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR
A PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
</p>

<p><b><a name="no-liability">8. Limitation of Liability</a></b>.
In no event and under no legal theory, whether in tort (including
negligence), contract, or otherwise, unless required by applicable law
(such as deliberate and grossly negligent acts) or agreed to in
writing, shall any Contributor be liable to You for damages, including
any direct, indirect, special, incidental, or consequential damages of
any character arising as a result of this License or out of the use or
inability to use the Work (including but not limited to damages for
loss of goodwill, work stoppage, computer failure or malfunction, or
any and all other commercial damages or losses), even if such
Contributor has been advised of the possibility of such damages.
</p>

<p><b><a name="additional">9. Accepting Warranty or Additional Liability</a></b>.
While redistributing the Work or Derivative Works thereof, You may
choose to offer, and charge a fee for, acceptance of support, warranty,
indemnity, or other liability obligations and/or rights consistent with
this License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf of
any other Contributor, and only if You agree to indemnify, defend, and
hold each Contributor harmless for any liability incurred by, or claims
asserted against, such Contributor by reason of your accepting any such
warranty or additional liability.
</p>

<p>
END OF TERMS AND CONDITIONS
</p>

<h4>APPENDIX: How to apply the Apache License to your work
</h4>

<p>To apply the Apache License to your work, attach the
following boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include the
brackets!) The text should be enclosed in the appropriate comment
syntax for the file format. We also recommend that a file or class name
and description of purpose be included on the same "printed page" as
the copyright notice for easier identification within third-party
archives.
</p>

<code>Copyright [yyyy] [name of copyright owner]<br>

<br>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at<br>

<br>

&nbsp; &nbsp; http://www.apache.org/licenses/LICENSE-2.0<br>

<br>

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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